Rule 8.3 - BHP BILLITON PLC

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              BHP BILLITON PLC
Class of relevant security    USD0.50
to which the dealings being
disclosed relate (Note 2)
Date of dealing               08 April 2008

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                            Long                     Short

                      Number       (%)         Number       (%)

(1) Relevant       99,747,341     4.52%      4,131,792     0.19
securities
(2) Derivatives     3,831,117     0.17%      3,350,185     0.15%
options)
(3) Options and     1,002,450     0.05%        752,775     0.03%
agreements to
purchase/sell
Total             104,580,908     4.74%       8,234,752    0.37%

(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number              (%)   Number              (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


  (c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

  (a)  Purchases and sales

Purchase/sale    Number of Securities    Price per unit
                                         (GBP)
Purchase         3,006                   16.4977
Purchase         2,829                   16.6547
Purchase         32,117                  17.6200
Purchase         300,177                 16.5464
Purchase         28,957                  16.8727
Purchase         1,075                   16.9162
Purchase         18,218                  16.5103
Purchase         50,000                  17.6200
Purchase         88,920                  16.5676
Purchase         689                     16.4265
Purchase         733                     17.6200
Purchase         98,731                  17.0852
Purchase         32,840                  16.5606
Purchase         22,379                  16.8825
Purchase         29,000                  16.5331
Purchase         8,000                   16.5476
Purchase         350                     16.5592
Purchase         587,315                 16.6014
Purchase         36,116                  17.6200
Purchase         872                     16.5329
Purchase         553                     16.5700
Purchase         4,361                   16.5605
Purchase         6,419                   17.6200
Purchase         1,674                   16.9498
Purchase         23,700                  16.5431
Purchase         6,414                   16.6405
Purchase         16,581                  16.7600
Purchase         1,054                   16.4200
Sale             31,970                  16.9952
Sale             4,300                   17.3835
Sale             1,075                   16.9162
Sale             26,220                  16.5689
Sale             107,257                 16.9538
Sale             6,000                   16.4769
Sale             1,075                   16.9193
Sale             118,720                 16.7936
Sale             3,280                   17.2517
Sale             9,709                   16.7000
Sale             1,832                   17.6200
Sale             600                     16.5212
Sale             150                     16.5512
Sale             400                     16.6212
Sale             6,327                   17.6200
Sale             2,823                   17.6167
Sale             187                     Transfer
Sale             199,835                 16.4981
Sale             119                     Transfer
Sale             21,601                  17.6174
Sale             64,202                  17.4189
Sale             8,016                   16.5695
Sale             119,000                 16.5424
Sale             73,304                  17.6100
Sale             117                     16.4617
Sale             249,822                 16.8965
Sale             90,894                  17.0245
Sale             3,882                   16.6260

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          6000          16.4768
CFD            Long          199835        16.498
CFD            Long          16281         16.537
CFD            Long          4039          16.5371
CFD            Long          846           16.5376
CFD            Long          26220         16.5689
CFD            Long          8016          16.5695
CFD            Long          118720        16.7935
CFD            Long          249822        16.8964
CFD            Long          107257        16.9538
CFD            Long          31970         16.9952
CFD            Long          3280          17.2517
CFD            Long          4300          17.3834
CFD            Long          64202         17.4188
CFD            Long          73304         17.61
CFD            Long          2823          17.6166
CFD            Long          21601         17.6173
CFD            Short         3006          16.4977
CFD            Short         18218         16.5103
CFD            Short         29000         16.5331
CFD            Short         23700         16.5431
CFD            Short         300177        16.5464
CFD            Short         8000          16.5476
CFD            Short         32840         16.5606
CFD            Short         88920         16.5676
CFD            Short         587315        16.6013
CFD            Short         2829          16.6547
CFD            Short         28957         16.8727
CFD            Short         22379         16.8825
CFD            Short         98731         17.0851

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of         Exercise  Type, e.g.      Expiry      Option money
e.g. call       selling,          securities to     price     American,       date        paid/received
option          purchasing,       which the option            European etc.               per unit (GBP)
                varying etc.      relates (GBP)


(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)




4.   OTHER INFORMATION
Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.


None

Is a Supplemental Form 8 attached? (Note 9)                 YES


Date of disclosure                         09 April 2008
Contact name                               Geoff Smith
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk

SUPPLEMENTAL FORM 8

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)

OPEN POSITIONS (Note 1)
Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,
                              or derivative relates                   European etc.
Option            Purchased   500,000                9.5000           EURO           19/12/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   250,000                14.0000          AMER           20/06/2008
Option            Purchased   500                    1,900.0000       EURO           18/12/2009
Option            Purchased   500                    1,900.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   350                    1,450.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,500.0000       EURO           18/12/2009
Option            Purchased   250                    1,700.0000       EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -500                   950.0000         EURO           19/12/2008
Option            Purchased   -1,775                 1,600.0000       EURO           20/06/2008
Option            Purchased   -250,000               16.0000          AMER           19/09/2008
Option            Purchased   -500,000               9.5000           EURO           19/12/2008

Notes
1. Where there are open option positions or open derivative positions (except for CFDs), full details should be given.
Full details of any  existing agreements to purchase or to sell  should also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.

For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover
Panel's website at www.thetakeoverpanel.org.uk